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    <title>Title</title>
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        <h1>课程表</h1>
        <table border="1">
            <tr>
                <td >时间</td>
                <td>星期一</td>
                <td>星期二</td>
                <td>星期三</td>
                <td>星期四</td>
                <td>星期五</td>
            </tr>
            <tr >
                <td rowspan="4" style="writing-mode:tb-rl;text-align: center" >上午</td>
                <td>语文</td>
                <td>数学</td>
                <td>英语</td>
                <td>体育</td>
                <td>生物</td>
            </tr>
            <tr>

                <td>生物</td>
                <td>数学</td>
                <td>英语</td>
                <td>语文</td>
                <td>体育</td>
            </tr>
            <tr>

                <td>生物</td>
                <td>数学</td>
                <td>英语</td>
                <td>语文</td>
                <td>体育</td>
            </tr>
            <tr>

                <td>生物</td>
                <td>数学</td>
                <td>英语</td>
                <td>语文</td>
                <td>体育</td>
            </tr>
            <tr >
                <td colspan="6" style="text-align: center;color: blueviolet"><a href="https://www.bilibili.com/">午休，bilibili一下</a></td>
            </tr>
            <tr>
                <td rowspan="4" style="writing-mode:tb-rl;text-align: center">下午</td>
                <td>生物</td>
                <td>数学</td>
                <td>英语</td>
                <td>语文</td>
                <td>体育</td>
            </tr>
            <tr>

                <td>生物</td>
                <td>数学</td>
                <td>英语</td>
                <td>语文</td>
                <td>体育</td>
            </tr>
            <tr>

                <td>生物</td>
                <td>数学</td>
                <td>英语</td>
                <td>语文</td>
                <td>体育</td>
            </tr>
            <tr>

                <td>生物</td>
                <td>数学</td>
                <td>英语</td>
                <td>语文</td>
                <td>体育</td>
            </tr>

        </table>
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